This paper examines long memory volatility in international stock markets. We show that long memory volatility is … memory in volatility than emerging and frontier countries and that stock market jumps are negatively correlated with long … memory of volatility. Overall, our results provide some evidence of a link between stock market uncertainty and macroeconomic …

This study examines the statistical properties required to model the dynamics of both the returns and volatility series … adequately estimate long-memory dynamics in returns and volatility. The in-sample diagnostic tests as well as out … conditional volatility and strongly support the estimation of dynamic returns that allow for time-varying correlations. A …

The major aim of this empirical study is to estimate the volatility time series returns for a cluster of international … capture volatility clusters and changes in long and short term volatility impact. The econometric approch is based on randomly … using GARCH family models for estimating financial market volatility. Moreover, the sampled time interval includes two …